Home / 5,192.74-7,166.61-2,955.16

Finding the Fourth Proportional to 5,192.74, 7,166.61 and 2,955.16

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Solution

The fourth proportional to 5,192.74, 7,166.61 and 2,955.16 is: 4,078.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.74 : 7,166.61 = 2,955.16 : x
  2. Step 2: Convert to fraction form
    5,192.74/7,166.61 = 2,955.16/x
  3. Step 3: Cross multiply
    5,192.74x = 7,166.61 × 2,955.16
  4. Step 4: Simplify right side
    5,192.74x = 21,178,479.21
  5. Step 5: Solve for x
    x = 21,178,479.21/5,192.74
  6. Step 6: Final answer
    x = 4,078.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.